Is phosphorus a pure substance or mixture kid friendly

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m